The batteries store energy during the day (even in low-light conditions) and power the system at night for up to 24 hours of operation

For any tubing run from the compressor to the diffuser that's under 300' you can use 3/8" airline

C-85 controller included

Stainless steel locking hasps & hardware will not rust

Solaer® 2.4+ Solar Aerator With Lithum-Ion Battery Backup Pond Treatments The batteries store energy duringSolaer 2. 4+ Solar Lake Bed Aeration Features & Benefits: Aerates Ponds Lakes Where No Electricity Is Available For ponds up to 4 acres and up to 25' deep. Run time: Up To 24 Hours Day Battery Back Up For Cloudy Conditions Improves Water Clarity & Quality Oxygenates Entire Water Column 2 Year Warranty Solaer 2. 4+ Comes With 400 Feet of Alpine Weighted Airline The Keeton Industries Solaer series solar powered lake bed aeration systems are the ideal